Þunnr

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

þunnr

a. thin; þunnt hár, thin hair; þunn ox, a thin-edged axe; þurint veðr, clear weather; þegja þunnu hljóði, to keep a watchful silence.

Possible runic inscription in Younger Futhark:ᚦᚢᚾᚾᚱ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norse - Cleasby & Vigfusson Dictionary
• Old Norwegian - Johan Fritzner's Dictionary